Upgrade Guide

Sony A6600→Sony FX3

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

Sony

A6600

£1299

2019

→

Upgrade to

Sony

FX3

£3799 (+£2,500)

2021

⚖️

Situational

One clear hardware improvement over the A6600. Worth it if that specific upgrade aligns with what you shoot.

What's new in the FX3

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A6600	FX3
Price	£1,299	£3,799
Released	2019	2021	↑
Sensor	24.2MP APS-C Exmor CMOS	12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution	24MP	12MP	↓
Video	4K/30p (no crop), 1080p/120p	4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus	Real-time Eye AF, real-time tracking — inherited from A9	Real-time tracking with subject recognition (human, animal)
Stabilisation	5-axis IBIS — 5 stops	5-axis IBIS — 5 stops
Burst Rate	11fps continuous with AF/AE	10fps mechanical, 10fps electronic	↓
Battery Life	~810 shots (CIPA) — large NP-FZ100 battery	~640 shots (CIPA)	↓
Weight	503g body only	715g body only (with XLR handle)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.70× magnification	None — monitor/external EVF use only
Screen	3.0" touchscreen, tilting	3.0" touchscreen, fully articulating
Mount	Sony E-mount (APS-C)	Sony FE mount (full-frame E-mount)
Memory Cards	Single SD UHS-I slot	Dual CFexpress Type A / SD UHS-II slots

Compare side-by-side

See A6600 and FX3 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the FX3 against your specific genres — not just specs.

Other upgrades from the A6600

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Camera family history